Broadcast Outage: We're investigating a broadcast transmission failure affecting the San Luis Valley from Antonito in the south to Salida in the north. We're working to resolve this issue. You can stream our live broadcast HERE or via the RMPBS+ App.

Stream live and on-demand content now on our new app:

RMPBS+

Donate

Help tell more stories in 2026 - make a year-end gift!

Peg + Cat show's poster

The Lemonade Problem

Through engaging stories and physical comedy, PEG + CAT inspires preschool children to see math as exciting, accessible, and fun. The show teaches measurement, shapes and patterns, and a wide range of fundamental pre-math skills. Ages: 2-5 Educational Goal: Mathematics

The Lemonade Problem

Season 1 Episode 35 | 13m 20s | CC

Peg and Cat set up a lemonade stand on a hot day. They sell one glass of lemonade for ten marbles.

share

Related stories

Business & Economy

Trump’s increase in Argentine beef imports highlights deeper issues in Colorado’s ranching industry

Rising operational costs are putting pressure on small American ranches, and increasing beef imports is not going to sustain the industry in the long term, ranchers said.

Mar 02, 2026 | Priya Shahi

Michelin expansion is a “rising tide” in the Colorado culinary scene, chefs say

With the new statewide Michelin expansion, Colorado restauranters are excited for what’s to come.

Mar 01, 2026 | Peter Vo

RMPBS KIDS Connect: Who Says Women Can’t Be Doctors?

Happy Women's History Month! Math Activities to Engage Kids This Month

Peg + Cat

Watch more episodes

The Flat Woman Problem

Triangulo and Flat Woman have teamed up to triangulate and flatten all of Mathtropolis!

The Sushi Problem/The Highlight Zone Problem (ASL)

Peg, Cat, and Aki track a tricky thief./Peg and Cat use math to escape the Highlight Zone.

The Wonderland Problem

Peg and Cat find themselves in Wonderland.